Nestled in scenic Greenwich, Connecticut, just off prestigious Round Hill Road, this extraordinary 6 bedroom, 6.1 bath residence is a serene retreat that epitomizes sophistication and privacy. Come spring, the property transforms into a lush canvas of vibrant greenery, adorned with blooming flowers and carefully curated specimen plantings. Set on 4 verdant, ultra-private acres of impeccably manicured grounds, custom commissioned garden with irrigation, complete with flower gardens, riding trails, and a newly installed Group Works Water Concepts pool, this family compound offers an unparalleled blend of elegance and tranquility. The home's interiors are as stunning as its outdoor spaces. Attached guest suite with separate entrance provides an ideal space for visitors or extended stays.
Single-familyProperty Type
1986Year Built
4 acresLot Size
$658Est. Price/Sq.Ft.
2 car garageParking
Listed by Danielle Malloy• Serhant Connecticut, LLC
Listed by Jess Lane Alsina• Serhant Connecticut, LLC
Bought with Rob Johnson• Brown Harris Stevens
Source:Smart MLS #24067629
Redfin Estimate
$6,148,584
$669K since sold in April 2025$128K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 24.6% higher than the average sale price ($4.94M) of 6 comparable homes.
Nestled in scenic Greenwich, Connecticut, just off prestigious Round Hill Road, this extraordinary 6 bedroom, 6.1 bath residence is a serene retreat that epitomizes sophistication and privacy. Come spring, the property transforms into a lush canvas of vibrant greenery, adorned with blooming flowers and carefully curated specimen plantings. Set on 4 verdant, ultra-private acres of impeccably manicured grounds, custom commissioned garden with irrigation, complete with flower gardens, riding trails, and a newly installed Group Works Water Concepts pool, this family compound offers an unparalleled blend of elegance and tranquility. The home's interiors are as stunning as its outdoor spaces. Attached guest suite with separate entrance provides an ideal space for visitors or extended stays
Smart MLS #24067629
Apr 28, 2025
Sold
$5,480,000
$587/sq ft
Feb 4, 2025
Pending
—
Jan 15, 2025
Listed
$5,495,000
$588/sq ft
GMLS #99310
May 31, 2018
Delisted
—
Apr 3, 2017
Listed
$3,650,000
$391/sq ft
GMLS #101344
Feb 1, 2018
Sold
$2,962,500
$317/sq ft
Oct 16, 2017
Listed
$3,295,000
$353/sq ft
Smart MLS #99179989
Oct 3, 2017
Listing Removed
—
Apr 3, 2017
Listed
$3,650,000
$391/sq ft
GMLS #36566
Aug 19, 1997
Sold
$1,490,000
$160/sq ft
Feb 1, 1997
Listed
$1,695,000
$181/sq ft
GMLS #33743
Jan 31, 1997
Sold
—
Nov 20, 1995
Listed
$1,995,000
$214/sq ft
GMLS #32486
Nov 16, 1995
Sold
—
May 17, 1995
Listed
$2,600,000
$278/sq ft
Public Records
Dec 19, 1994
Sold
$450,000
$48/sq ft
Year
Property tax
Land + Additions
Assessment*
2023
$28,399 (+5.2%)
$805,000 + $1,688,330
$2,493,330
2022
$26,989 (−7.6%)
$805,000 + $1,587,670
$2,392,670
2021
$29,207
$700,000 + $1,820,000
$2,520,000
2020
$29,207 (−0.8%)
$700,000 + $1,820,000
$2,520,000
2019
$29,434 (−20.8%)
$700,000 + $1,820,000
$2,520,000
2018
$37,158
$700,000 + $2,568,090
$3,268,090
2017
$37,158 (+1.5%)
$700,000 + $2,568,090
$3,268,090
2016
$36,603 (−0.2%)
$700,000 + $2,568,090
$3,268,090
2014
$36,660
$1,223,810 + $2,117,990
$3,341,800
Tax history for 70 Sumner Rd
Year
Property tax
Land + Additions
Assessment*
2023
$28,399 (+5.2%)
$805,000 + $1,688,330
$2,493,330
2022
$26,989 (−7.6%)
$805,000 + $1,587,670
$2,392,670
2021
$29,207
$700,000 + $1,820,000
$2,520,000
2020
$29,207 (−0.8%)
$700,000 + $1,820,000
$2,520,000
2019
$29,434 (−20.8%)
$700,000 + $1,820,000
$2,520,000
2018
$37,158
$700,000 + $2,568,090
$3,268,090
2017
$37,158 (+1.5%)
$700,000 + $2,568,090
$3,268,090
2016
$36,603 (−0.2%)
$700,000 + $2,568,090
$3,268,090
2014
$36,660
$1,223,810 + $2,117,990
$3,341,800
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Beds
5
Baths
5.5
Stories
2
Lot width
—
Lot depth
—
Lot size
4 Acres
Year renovated
—
Sq. Ft.
9,340
Year built
1986
Style
Single Family Residential
County
Fairfield County
APN
1848894
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2023.
Property details
Parking
Garage Information
Garage & Parking: Attached Garage
Garages Number: 2
Interior
Virtual Tour Information
Interior Information
Total Rooms: 16
Laundry Room Info: Lower Level
Interior Features: Audio System, Auto Garage Door Opener, Cable - Available, Central Vacuum, Open Floor Plan, Security System